Board assembly



FIG. 1 is a front and right side perspective view of a board assemblyshowing my new design;

FIG. 2 is a back and left side perspective view thereof; and,

FIG. 3 is an enlarged front perspective view of the end portions forclarity of the disclosure.

The broken lines in the drawings illustrate portions of the boardassembly and form no part of the claimed design.

CLAIM The ornamental design for a board assembly, as shown anddescribed.